Bottle blank conveying chain of bottle blowing machine
A technology of bottle blowing machine and conveying chain, which is applied in the field of preform conveying chain, which can solve the problems that the heat of the heating box is not fully utilized, the distance between preforms cannot be adjusted, and the conveying chain rotates at an uneven speed. The effect of firmly supporting the preform tube and low replacement cost
Inactive Publication Date: 2013-06-19
北京华融塑胶有限公司
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Problems solved by technology
[0003] Since the existing preforms are placed adjacent to each other according to the diameter of the blown bottle body, the distance between the preforms is relatively large, and the length of the horizontal heating tube is fixed. In the heating stroke corresponding to the length of the heating tube, The number of heated preforms is small, the production efficiency is low, and the heat generated by the heating box cannot be fully utilized, resulting in serious waste of heat
On the other hand, the existing conveyor chain is installed with preform seats on the chain, the distance between the preforms is not adjustable, the structure is complex, the mass is large, the energy consumption is high, and the conveyor chain is prone to uneven rotation, resulting in uneven heating of the preforms. The blown bottle has uneven wall thickness
Method used
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[0023] The present invention will be further described below with reference to the accompanying drawings.
[0024] Such as Figure 1-Figure 5 As shown, the preform conveyor chain of a bottle blowing machine described in this embodiment includes a preform seat 1 which is a hollow tubular member, and each preform seat 1 is connected to the left and right sides through the inner chain piece 2 and the outer chain piece 3 respectively. The preform seats 1 adjacent to the right are connected to form an endless chain. The preform seats 1 are erected and passed through the flat inner and outer chain plates. The inner chain piece 2 and the outer chain piece 3 overlap each other. overlapping. The inner chain sheet 2 can be fixed on the bottle base 1 with screws. An axle sleeve 5 is housed between the outer chain piece 3 and the bottle base 1, and can rotate relatively. Each preform holder 1 is provided with two annular protrusions 16 at the position between the two inner chain pieces...
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The invention discloses a bottle blank conveying chain of a bottle blowing machine, relates to the bottle blowing machine, and solves the technical problem of large space of bottle blanks conveyed by the conveying chain of the conventional bottle blowing machine. The bottle blank conveying chain comprises bottle blank seats. The bottle blank conveying chain is characterized in that: the bottle blank seats are tubular pieces, each bottle blank seat is connected with the left and right adjacent bottle blank seats through an inner chain sheet and an outer chain sheet in up-and-down symmetry to form an annular chain respectively, the inner chain sheet and the outer chain sheet are placed horizontally and penetrated by the vertical bottle blanks, and the inner chain sheet and the outer chain sheet are superposed at the superposition part. The bottle blank seats are arranged at the positions of chain link connecting pins of the traditional chain so as to fix the bottle blanks, connect the chain sheets, optimize the structure of the conveying chain and reduce the mass of the conveying chain along with low running energy consumption; and the space of the bottle blanks can be reduced as much as possible by adopting the inner and outer chain sheets with adjacent center distance so that the radiation heat can be fully utilized.
Description
technical field [0001] The invention relates to the technical field of bottle blowing machines, in particular to a bottle blank conveying chain of a bottle blowing machine. Background technique [0002] The bottle blowing machine is a kind of machine that heats the injection-molded preform tube (referred to as "preform"), then puts the preform heated to the set temperature into the mold, and then blows the preform into a bottle with compressed air. equipment. The heating condition of the preform plays a key role in the quality of the blown bottle and the energy consumption of the blow molding machine. After the plastic preform is sent into the bottle blowing machine by the automatic feeding machine, the conveying mechanism in the blow molding machine sends the preform into the heating box at a uniform speed, so that it is heated to a temperature suitable for blowing into a bottle body. When the preform passes through the heating box, in addition to revolving with the circu...
Claims
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IPC IPC(8): B29C49/42B29C31/08
Inventor 张士生
Owner 北京华融塑胶有限公司